Featured articles
Archive
Category: Identity
Is This Really a Good Idea? The UK Follows Australia in Moving to Ban Social Media for Children under 16
Prompted by the UK’s ban on social media use by those under 16, this article examines the legislative basis and proportionality of social media regulation intended to protect minor…
On May 19, I Will Deliver a Keynote at EIC 2026 in Berlin, Titled “When Software Becomes Staff: Governance, Security & Safety for Agentic AI”
On the first day of EIC 2026, I will deliver the keynote “When Software Becomes Staff: Governance, Security & Safety for Agentic AI.”
EU Age-Verification App Hacked in 2 Minutes?! What Happened and How to Assess It
European Commission President Announces That EU Age Verification Is Available On April 15, European Commission President Ursula von der Leyen announced that the EU age-verification…
March 2026 Digital Identity Technology Trends
March 2026 was an extremely busy month: even just among the meetings I was involved in, standards-related meetings included JTC 1/SC44, SC27, IETF . ISO/IEC JTC 1 There are many th…
I Spoke at FINOLAB’s “Toward the Implementation of AI Agent Payments: From Governance to Authentication and Authorization”
On March 6, I appeared at the FINOLAB-hosted Japan Fintech Week-related event “Toward the Implementation of AI Agent Payments: From Governance to Authentication and Authorization”.…
Persona Code Reportedly Used by Discord for Age Verification Sparks Controversy After Code for Reporting to Authorities and Other Functions Is Found
The frontend source code of Persona, which Discord had used for age verification, was accidentally made public. Analysis of the code sparked controversy because, although it was su…
Year-End Greetings: Fauré’s “In Paradisum” from Requiem, Op. 48—In Memory of Andrew Nash
Here are my customary year-end greetings. This year I had begun preparing to perform “Lilium”, but after learning of the death of my close friend and ally Andrew Nash, I abruptly—t…
On NIST SP 800-63-4, Binding Levels of Assurance, and Account-Takeover Risk
This article analyzes the authenticator-binding provisions in NIST SP 800-63-4, examines the account-takeover risk created when a higher-assurance authenticator can be added from a…
The 12th FIDO Tokyo Seminar: Toward a Passwordless World
I announced this on X (I am often unable to find time to write blog posts, so I would appreciate it if you followed me on X as well), but today is the day of the 12th FIDO Tokyo Se…
I Will Appear on the Okinawa Open Days Panel “Current and Future OSS Initiatives in Economic Security”
It is already the day of the event—in fact, I am writing this now (12/4 9:45) at my desk while preparing for the panel—but I will be appearing on the panel named in the title. The…